Perhaps you should try some spelling variations:
carl » care (Expand Search), call (Expand Search), car (Expand Search)
carlo » careo (Expand Search), callo (Expand Search), caro (Expand Search)
hermann » hermawan (Expand Search), germann (Expand Search)
herman » german (Expand Search)
ethe" » ether" (Expand Search), pethe" (Expand Search), zthe" (Expand Search)
bethe" » bether" (Expand Search), bpethe" (Expand Search), bzthe" (Expand Search), pethe" (Expand Search)
bether" » betherr" (Expand Search), bpether" (Expand Search), bzther" (Expand Search), pether" (Expand Search), better" (Expand Search), ether" (Expand Search), tether" (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: "(carl OR carlo) (hermann OR herman) (ethe" OR (bethe" OR bether"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(carl OR carlo) (hermann OR herman) (ethe\" OR (bethe\" OR bether\"))".
• Removing quotes may allow a broader search: (carl OR carlo) (hermann OR herman) (ethe OR (bethe OR bether )).
• Adding a wildcard symbol may retrieve word variants: "(carl OR carlo) (hermann OR herman) (ethe" OR (bethe" OR bether"))*.